16045215545 has 8 divisors (see below), whose sum is σ = 19369554624. Its totient is φ = 12759308464.

The previous prime is 16045215533. The next prime is 16045215547. The reversal of 16045215545 is 54551254061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16045215545 - 2²⁰ = 16044166969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16045215499 and 16045215508.

It is not an unprimeable number, because it can be changed into a prime (16045215547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9607079 + ... + 9608748.

It is an arithmetic number, because the mean of its divisors is an integer number (2421194328).

Almost surely, 2^16045215545 is an apocalyptic number.

It is an amenable number.

16045215545 is a deficient number, since it is larger than the sum of its proper divisors (3324339079).

16045215545 is a wasteful number, since it uses less digits than its factorization.

16045215545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19215999.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 16045215545 in words is "sixteen billion, forty-five million, two hundred fifteen thousand, five hundred forty-five".